US7675636B2 - Document processing apparatus and document processing method - Google Patents

Document processing apparatus and document processing method Download PDF

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US7675636B2
US7675636B2 US11/001,749 US174904A US7675636B2 US 7675636 B2 US7675636 B2 US 7675636B2 US 174904 A US174904 A US 174904A US 7675636 B2 US7675636 B2 US 7675636B2
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Prior art keywords
data
document
intermediate data
page
warning
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US20050128502A1 (en
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Masamichi Yamashita
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Canon Inc
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Canon Inc
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/18—Conditioning data for presenting it to the physical printing elements
    • G06K15/1801—Input data handling means
    • G06K15/1822—Analysing the received data before processing
    • G06K15/1823—Analysing the received data before processing for evaluating the resources needed, e.g. rasterizing time, ink, paper stock

Definitions

  • the present invention relates to document processing apparatuses and document processing methods. More specifically, the present invention relates to a document processing apparatus and a document processing method with which input of document data in Postscript (PS) or Portable Document Format (PDF) is received, the content of the document is checked, and then data in an intermediate format for output (intermediate data) is generated.
  • PS Postscript
  • PDF Portable Document Format
  • document data in PS, PDF, or other formats is input, and it is checked whether the document will be output correctly before printing or otherwise outputting the document.
  • an interpreter an interpretation process
  • the interpreter interprets document data to check whether resources needed for the document are provided in the printing system, and generates intermediate data for output.
  • the intermediate data refers to, for example, data describing objects included in individual bands, i.e., areas of each page as divided by boundaries extending in parallel to a main scanning direction.
  • the objects are described based on a grammar that can be interpreted by, for example, a printer.
  • the intermediate data is sometimes referred to as DLC for short.
  • the intermediate data generated in the preflight check is not used for output.
  • the interpreter is run again to generate intermediate data.
  • the interpreter for processing document data is run twice, i.e., in the preflight check and in the outputting process, generating intermediate data each time.
  • processing time for generating intermediate data in the preflight check is wasted, and the unneeded process could block or otherwise restrict other processes, so that the processing is not so efficient.
  • Japanese Patent Laid-Open No. 2001-005620 describes techniques for generating intermediate data. However, a preflight check is not carried out in the techniques. Furthermore, according to the techniques, intermediate data is generated even for data with which a document will not be output correctly, thus the processing could be wasted. Furthermore, according to the techniques, intermediate data is generated for all the pages, so that a large load could be imposed on a machine or the like when the number of pages is large.
  • the present invention provides a document processing apparatus and a document processing method that generate intermediate data at different timing. According to setting, intermediate data is generated depending on a situation in a preflight check, and intermediate data is generated as needed at the time of an output, so that intermediate data is not generated uselessly, intermediate data is not doubly generated, a preflight check is carried out quickly, and a memory or an external storage device is used efficiently.
  • the present invention in one aspect thereof, provides a document processing apparatus having resource information regarding resources that are available for outputting a document.
  • the document processing apparatus includes: a resource determining unit for determining resources that are needed for outputting the document on a page-by-page basis, and for determining whether the resources that are needed for outputting the document are included in the resource information; and a first generating unit for generating intermediate data suitable for outputting for each page of the document for which it is determined by the resource determining unit that the resources that are need for outputting the page of the document are included in the resource information.
  • the document processing apparatus may further include an intermediate data determining unit for determining whether it is specified that intermediate data is not to be generated, wherein the first generating unit does not generate intermediate data when it is determined by the determining unit that it is specified that intermediate data is not to be generated.
  • the document processing apparatus may further include a client determining unit for determining whether the document processing apparatus is a client, and for specifying that intermediate data is not to be generated when it is determined that the document processing apparatus is a client.
  • the document processing apparatus may further include a display unit for displaying a preview of the document.
  • the first generating unit may output a warning for the page.
  • the document processing apparatus may further include an intermediate page generation determination unit for determining whether intermediate data should be generated when intermediate data is not generated by the first generating unit; and a second generating unit for generating intermediate data based on the document data when the intermediate page generation determination unit determines that intermediate data should be generated when intermediate data is not generated by the first generating unit and intermediate data is not generated by the first generating unit.
  • the resource determining unit may carry out the determination for every page of the document. After the resource determining unit carries out the determination for every page of the document, the first generating unit, generates intermediate data for each page of the document for which it is determined by the resource determining unit that resources needed for outputting the page of the document do not include any resources that are not included in the resource information.
  • the present invention in another aspect thereof, provides a document processing method that uses resource information regarding resources that are available for outputting a document.
  • the document processing method includes: determining resources that are needed for output on a page-by-page basis; determining whether the resources that are needed for outputting each page of the document are included in the resource information; and generating intermediate data for each page of the document for which it is determined that the resource that are needed for outputting the page of the document are included in the resource information.
  • the present invention in another aspect thereof, provides a computer program for allowing a computer having resource information regarding resources that are available for outputting a document, to execute a method as described above.
  • the present invention in another aspect thereof, provides a document processing apparatus for interpreting document data and outputting a result of interpretation.
  • the document processing apparatus includes: a determining unit for interpreting document data and determining whether a warning is issued; and a first generating unit for generating intermediate data based on the document data when it is determined by the determining unit that a warning is not issued, while not generating intermediate data based on the document data when it is determined by the determining unit that a warning is issued.
  • the first generating unit may be activated when an output request relates to printing.
  • the first generating unit may be activated when an output request relates to display.
  • the present invention in another aspect thereof, provides a document processing apparatus for interpreting document data and outputting a result of interpretation.
  • the document processing apparatus includes: a determining unit for interpreting document data and determining whether a warning is issued; and a first generating unit for generating intermediate data based on the document data.
  • the first generating unit in response to an output request relating to printing, generates intermediate data based on the document data when it is determined by the determining unit that a warning is not issued, while not generating intermediate data based on the document data when it is determined by the determining unit that a warning is issued.
  • the first generating unit in response to an output request relating to display, generates intermediate data based on the document data when it is determined by the determining unit that a warning is issued, while not generating intermediate data based on the document data when it is determined by the determining unit that a warning is not issued.
  • the present invention in another aspect thereof, provides a document processing method for interpreting document data and outputting a result of interpretation.
  • the document processing method includes: interpreting document data; determining whether a warning is issued; and generating intermediate data based on the document data.
  • the intermediate data generation may be in response to an output request relating to printing, wherein intermediate data is generated based on the document data when it is determined that a warning is not issued, while intermediate data is not generated based on the document data when it is determined that a warning is issued.
  • the intermediate data generation may be in response to an output request relating to display, wherein intermediate data is generated based on the document data when it is determined that a warning is issued, while intermediate data is not generated based on the document data when it is determined in the determining step that a warning is not issued.
  • the present invention in another aspect thereof, provides a program product for executing a document processing method for interpreting document data and outputting a result of interpretation as described above.
  • FIG. 1 is a block diagram showing the construction of a document processing system according to an embodiment of the present invention.
  • FIG. 2 is a diagram schematically showing the construction of a client machine, a server machine, or the like.
  • FIG. 3 is a diagram schematically showing the construction of a printer.
  • FIG. 4 is a diagram showing a memory map of a RAM (random-access memory) in a computer during execution a process according to an embodiment of the present invention.
  • FIG. 5 is a flowchart according to a first embodiment of the present invention.
  • FIG. 6 is a flowchart according to the first embodiment.
  • FIG. 7 is a flowchart according to a second embodiment of the present invention.
  • FIG. 8 is a flowchart according to the second embodiment.
  • FIG. 9 is a diagram showing a system construction according to a third embodiment of the present invention.
  • a first embodiment of the present invention relates to a printing system that outputs a sheet of paper by a printer or the like.
  • the printing system receives input of a PDF or PS document created by a creator, and prints the document on a paper medium.
  • a “warning” herein refers to a warning that is issued when it is not possible to output data as specified by input data.
  • a warning is not issued when all resources (fonts, a color space, etc.) intended by the creator of the input data, i.e., all resources specified in the input data, are available in an outputting device to be used (a printer in this embodiment).
  • the output involves use of even a single resource that is not specified, i.e., when an intended output is not possible, a warning is issued as to the resource.
  • FIG. 1 is a block diagram of the printing system according to the first embodiment.
  • computers 11 and 12 and a printer 21 are connected to a network.
  • the number of computers and the number of printers are not limited to those in this example.
  • Each of the computers 11 and 12 may be a client machine, a server machine, or other types of machine.
  • the printer 21 is connected to the network in FIG. 1 , alternatively, the printer 21 may be connected locally.
  • the printer 21 may be any type of printer, such as a laser beam printer, a bubble-jet printer, or a thermal transfer printer.
  • FIG. 2 is a block diagram schematically showing the construction of each of the computers 11 and 12 .
  • a system bus 112 allows data to be transferred among components.
  • a central processing unit (CPU) 101 controls the entire apparatus and carries out operations.
  • a read-only memory (ROM) 102 stores a program for booting the system, a basic I/O (input/output) program, and the like.
  • a random access memory (RAM) 103 stores results of operations by the CPU 101 , text data, graphic data, image data, and the like.
  • the RAM 103 also temporarily stores programs such as applications loaded from an external storage device or the like.
  • an interpreter program 1031 , user-setting information 1032 , output-format information 1033 , and system resource information 1034 are loaded in the RAM 103 , and are run, referred to, updated, or otherwise used.
  • a keyboard controller (KBC) 104 receives data input from a keyboard (KB) 105 , and sends the data to the CPU 101 .
  • a display controller (CRTC) 106 reads data for display from the RAM 103 or other parts, and transfers the data to a display (CRT) 107 , which displays the data received from the CRTC 106 .
  • a disk controller (DKC) 108 controls accesses to an external storage device (DK) 109 .
  • the DK 109 may be, for example, a floppy disk (FD), a hard disk (HD), or a compact disk—read-only memory (CD-ROM).
  • the HD stores, for example, PS or PDF documents, programs (interpreters) for interpreting the documents, programs for rendering the documents into bitmap images or the like.
  • Application programs relating to this embodiment, and programs, data, and the like associated therewith, are supplied from an external storage device, such as a floppy disk or a CD-ROM.
  • a network controller (NTC) 110 controls a network (NT) 111 .
  • the computer is connected to the network via the NTC 110 , and is thus connected to a network-enabled printer.
  • FIG. 3 is a block diagram schematically showing the construction of the printer 21 shown in FIG. 1 .
  • a system bus 210 allows data to be transferred among components.
  • a central processing unit (CPU) 201 executes processing needed for printing according to a program stored in a read-only memory (ROM) 202 , using a random access memory (RAM) 203 as a work area.
  • the ROM 202 also stores font data and the like as well as the program.
  • a disk controller (DKC) 206 controls an external storage device (DK) 207 .
  • the DK 207 may be, for example, a floppy disk (FD) or a hard disk (HD). In some cases, the DK 207 also stores programs and font data and the like, similarly to the ROM 202 .
  • a printer controller (PRTC) 204 outputs print signals to a printer engine (PRT) 205 .
  • a network controller (NTC) 208 controls a networking device (NT) 209 to exchange data with, for example, a computer 11 , 12 shown in FIG. 1 .
  • FIG. 4 is a diagram showing a memory map of the RAM 103 , shown in FIG. 2 , at the time of processing in this embodiment.
  • a basic I/O program is read into the RAM 103 by a system booting program stored in the ROM 102 .
  • application programs, related data, and the like are installed from the external storage device 109 to, for example, a hard disk, and when power is turned on, the application programs, related data, and the like are loaded from the hard disk to the RAM 103 for execution.
  • the description is given in the context of a hard disk, it is possible to load programs, related data, and the like from a floppy disk, a CD-ROM, or the like to the RAM 103 for execution.
  • the operation is an interpretation of a document by the computer 101 or the computer 102 . It is assumed herein that the operation is executed by the computer 101 .
  • the procedure of outputting a document is such that a preflight check is carried out before generating output data. According to the embodiment, however, processing is executed in such a manner as to avoid doubly generating output data.
  • an operation during a preflight check will be described with reference to FIG. 5 .
  • step S 501 settings that are made of the printing system and stored as user-setting information, for example, in the RAM 103 .
  • the settings may be made, for example, by a user via a user interface.
  • the settings include, for example, selection of a device (e.g., a printer) that is to be used for output after a preflight check, whether a device font (a font provided in the printer) is to be used for output, and whether a color space of the device is to be used for output.
  • step S 502 document data is read according to instructions for a preflight check of the document.
  • the document data is read when a preflight check for the document data is requested, for example, from a user interface of an application or the like.
  • step S 501 may be executed asynchronously from output of the document.
  • the document to be read is in a format supported by the interpreter in this embodiment, such as PS or PDF.
  • step S 503 in response to the request for a preflight check in step S 502 , interpretation of the document is started.
  • the document data is interpreted in step S 504 and subsequent steps by the procedure described below based on the format of the document data.
  • the document data is constructed according to rules defined by the standard of PS, PDF, or other formats.
  • the interpreter holds the rules, for example, in the form of a grammar dictionary.
  • the document data is sequentially read page by page with reference to the grammar dictionary, thus identifying resources and the like specified by the document.
  • Step S 504 is the start point and step S 508 is the end point of an interpretation loop.
  • the document that is to be interpreted is processed page by page until the number of remaining pages of the document to be interpreted becomes zero.
  • step S 505 the document subject to the preflight check is actually interpreted page by page. Also, in step S 505 , output-format information of each page of the document being interpreted is obtained and is held as information used for the preflight check.
  • the output-format information includes, for example, fonts, color profile, orientation of the document, and sheet size. For example, in document data, the size and position of a text string is specified together with a font type to be used. When an image object is included, a color profile is sometimes specified in document data. Thus, the document data is parsed to extract information regarding resources to be used, which is stored as output-format information.
  • system resource information regarding resources of the printing system which is contrasted with the output-format information, is also obtained before the preflight check.
  • the content of the system resource information is updated when, for example, a printer included in the system is changed or a new resource such as a font is installed.
  • the resources of the system are registered as system resource information on a device-by-device basis.
  • the system resource information and the output-format information are held in a memory, a hard disk, or the like in such a manner that the information can be compared with each other, for example, by using common codes between codes representing setting parameters and codes representing contents of settings.
  • step S 506 the user-setting information set in step S 501 is referred to, and the system resource information obtained in advance is compared with the output-format of each page of the document, obtained in step S 505 , in order to check whether it is possible to obtain an output as specified in the output-format information, by an outputting device specified in the user-setting information.
  • the user-setting information specifies that a device font (a font provided in an outputting device such as a printer) is to be used, it is checked whether the font included in the output-format information for the page (i.e., the font to be used for the page) is available in the device specified in the user-setting information.
  • the font to be used is not included in device fonts, it is not possible to output the page with the right font (i.e., the font specified in the output-format information), and for example, the page is output using another font (an alternative font). That is, the document is not output as specified by the output-format information.
  • the result of the check is stored in a memory or the like, and a warning for notifying a user of the check result is issued.
  • the check result is also referred to when generating intermediate data.
  • resources needed to output each page of a document subject to a preflight check i.e., resources included in the output-format information of the page
  • resources included in the system resource information for each device according to the user-setting information specified by the user are compared with resources included in the system resource information for each device according to the user-setting information specified by the user.
  • a resource is missing, it is determined that it is not possible to output the page as specified by the output-format information.
  • a resource for which a device to be used is not specified, it is determined that the resource is not missing as long as the resource exists in any one of the devices available.
  • step S 507 When it is determined that a warning is not issued, i.e., the document can be output correctly as specified in the output-format information, the procedure proceeds to step S 507 .
  • the procedure proceeds to step S 508 .
  • the reason why the procedure proceeds to step S 507 for generating intermediate data when a warning is not issued is that when a warning is not issued in a preflight check before outputting such as printing, the document is to be output correctly so that the document need not be edited.
  • step S 507 intermediate data for output, such as data in a page description language (PDL), is generated based on information interpreted in step S 505 .
  • the intermediate data generated is stored in a memory or the like.
  • the intermediate data may be stored in an external storage device, such as a hard disk or a floppy disk.
  • the method of storage is not particularly limited.
  • information is attached so that it is possible to identify to which page of which document the intermediate data is related.
  • the information may be attached in the form of an ID, a path name, or in any other form.
  • step S 507 is executed after step S 508 , and intermediate data for all of the pages is generated in step S 508 .
  • Step S 508 is the end point of the interpretation loop.
  • a result of the preflight check is returned. That is, when the procedure shown in FIG. 5 is called by a parent procedure, a check result (e.g., the presence or absence of a warning, or the content of a warning when a warning is issued) is passed as a parameter. Furthermore, a warning screen is displayed or a warning sound is output to the user via a user interface or the like.
  • a check result e.g., the presence or absence of a warning, or the content of a warning when a warning is issued
  • An output request is input from a user to the printing system after a document is edited with regard to an item for which a warning is issued in a preflight check, or when a document is to be output disregarding a warning.
  • step S 510 a request for outputting a document is received from a user via a user interface or the like, and an output is started.
  • step S 511 the interpreter is requested to start interpretation according to the output request.
  • Step S 512 is the start point of an interpretation loop. The loop is repeated until the number of remaining pages of the document to be interpreted becomes zero.
  • step S 513 actual interpretation is started.
  • step S 514 it is determined whether intermediate data for a page to be interpreted has been generated in step S 507 during a preflight check. The procedure proceeds to step S 516 if intermediate data has been generated, and the procedure proceeds to step S 515 if intermediate data has not been generated. Steps S 513 and S 514 may be executed in the reverse order so that step S 513 for interpretation and step S 515 for generating intermediate data are executed for pages for which intermediate data has not been generated (i.e., intermediate data is absent). This saves useless interpretation.
  • the intermediate data generated in step S 515 is merged with intermediate data generated in step S 507 shown in FIG. 5 in order of pages.
  • step S 515 intermediate data is generated for pages for which intermediate data has not been generated in the preflight check shown in FIG. 5 .
  • Step S 516 is the end point of the interpretation loop.
  • step S 517 the intermediate data generated is sent to an outputting device such as a printer. Then, the printer prints and outputs the document.
  • a printer controller generates image data based on the intermediate data received, and a printer engine prints an image on a sheet based on the image data.
  • the printing system avoids generating duplicate data in two processes, i.e., in a preflight check and in generating intermediate data. Accordingly, processing time for carrying out a preflight check and then generating intermediate data is reduced, so that the efficiency of usage of system resources is improved.
  • the first embodiment is an example where an output request relates to printing.
  • timing for generating intermediate data differs between a preview for checking an output on a user screen and an output to a printer or the like.
  • a second embodiment of the present invention which relates to a case of a preview is described next. Since the construction, memory map, and the like are the same as those in the first embodiment, descriptions thereof are not repeated here.
  • the second embodiment is also similar to the first embodiment in that system resource information of the printing system is obtained by a computer prior to a procedure shown in FIG. 7 .
  • step S 601 a user makes settings and the settings are held as user-setting information.
  • the settings herein are output settings including selection of a device to be used for output after the preflight check, whether a device font is to be used for output, and the like, similar to the first embodiment.
  • this embodiment relates to outputting a preview to a display or the like, a device assumed for output is chosen in the setting of a device to be used for printing. Furthermore, it is also set whether only a result of the preflight check is to be output.
  • a document is read.
  • the document is read when, for example, a preflight check is requested, for example, from a user interface of an application or the like.
  • the document that is read is a PS document, a PDF document, or the like.
  • step S 603 the interpreter starts interpretation of the document in response to the request for a preflight check in step S 602 .
  • Step S 604 is the start point of an interpretation loop.
  • the document that is to be interpreted is processed page by page, and the loop is continued until the number of remaining pages of the document to be interpreted becomes zero.
  • step S 605 the document subject to the preflight check is actually interpreted page by page. Also, output-format information of each page of the document being interpreted, such as a font, color, orientation, and size of the document, is obtained, which is held as information used for the preflight check.
  • step S 606 the user-setting information input in step S 601 is referred to, and it is determined whether it is specified that only a result of the preflight check is to be output. If it is specified that only a result of the preflight check is to be output, the procedure proceeds to step S 609 . If it is specified that preview data is to be output as well as a result of the preflight check, the procedure proceeds to step S 607 .
  • step S 607 the user-setting information set in step S 601 is referred to, and the output-format information for each page of the document, obtained in step S 605 , is compared with the system resource information to check whether the document is to be output according to the information of the document by the device set in step S 601 .
  • the output-format information for each page of the document obtained in step S 605 , is compared with the system resource information to check whether the document is to be output according to the information of the document by the device set in step S 601 .
  • a device font if a font that is used in the document is not present in the device selected by the setting, it is not possible to output the document with the right font, and for example, an alternative font is used instead.
  • a font that is installed on, in this example, the computer 101 shown in FIG. 1 is to be used.
  • a font that is not installed on the computer it is not possible to output the document as specified, e.g., the font is replaced with an alternative font, so that a warning is issued.
  • the procedure proceeds to step S 608 .
  • step S 609 When a warning is not detected, the procedure proceeds to step S 609 .
  • step S 608 In which intermediate data is generated. This is because when a warning is detected in a preflight check for a preview, there is a possibility that a document is not output correctly and the user should be allowed to check the preview of what is invalid.
  • step S 608 intermediate data for output, such as PDL data, is generated based on the information interpreted in step S 605 .
  • the intermediate data generated is stored in a memory or the like.
  • the intermediate data may be stored in an external storage device, such as a hard disk or a floppy disk.
  • the method of storage is not particularly limited.
  • information is attached so that it is possible to identify to which page of which document the intermediate data is related.
  • the information may be attached in the form of an ID, a path name, or in any other form.
  • step S 608 is executed after step S 609 .
  • Step S 609 is the end point of the interpretation loop.
  • step S 610 a result of the preflight check is returned.
  • step S 606 determines whether only a result of the preflight check is to be output, and in that a preview is displayed in step S 610 .
  • intermediate data is generated for pages for which a warning is issued.
  • step S 611 an output is started in response to an output request.
  • step S 612 interpretation is started in response to the output request.
  • Step S 613 is the start point of an interpretation loop. The loop is continued until the number of remaining pages of the document to be interpreted becomes zero.
  • step S 614 actual interpretation is started.
  • step S 615 it is determined whether intermediate data of a page to be interpreted has been generated in step S 607 during a preflight check. If intermediate data has been generated, the procedure proceeds to step S 617 . If intermediate data has not been generated, the procedure proceeds to step S 616 . In step S 616 , intermediate data is generated.
  • Step S 617 is the end point of the interpretation loop.
  • the document is output by an outputting device such as a printer based on the intermediate data generated.
  • the procedure of the output process is the same as that shown in FIG. 6 .
  • the printing system according to this embodiment avoids generating duplicate data in two processes, i.e., in a preflight check and in generating intermediate data.
  • processing time for carrying out a preflight check and generating intermediate data is reduced, and the efficiency of usage of system resources is improved.
  • the third embodiment is similar to the first and second embodiments in that matching of output-format information and system resource information is checked page by page.
  • the presence or absence of a warning is stored page by page, and intermediate data is generated simultaneously for pages for which a warning is not issued after the matching is checked for all the pages.
  • the data generated in the preflight check and used for generating intermediate data is temporarily stored until the process of generating intermediate data.
  • the result of the preflight check is output, for example, via a user interface.
  • intermediate data can be generated in parallel with user operations such as checking by the user of the result of the preflight check or editing of the document based on the result of the preflight check.
  • the processing speed as perceived by the user is further improved.
  • a system includes a client machine 31 , a server machine 41 , and an outputting device 51 .
  • the first embodiment relates to an example where a preflight check is carried out and intermediate data is generated in response to a request for outputting a document.
  • the processing is executed by the server machine 41 shown in FIG. 9 .
  • the result of a preflight check is returned to the client 31 that has issued an output request. More specifically, the client 31 executes the procedure shown in FIG. 7 to display a preview.
  • the server 41 executes the procedures shown in FIGS. 5 and 6 to carry out a preflight check and to generate intermediate data.
  • a user creates document data
  • the document data is input to the server machine 41 .
  • the server machine 41 carries out a preflight check and returns a result of the preflight check to the client 31 .
  • the server machine 41 also generates intermediate data.
  • the intermediate data is input to the outputting device 51 , and is printed and output. That is, at the client machine 31 , a document is created, and a preview is displayed. At the client machine 31 , it is specified that only a result of a preflight check is to be output.
  • input of the document data is received, a preflight check is carried out, and the document data is output.
  • a computer determines whether the construction of the printing system is that shown in FIG. 1 or that shown in FIG. 9 .
  • This setting i.e., whether only a result of a preflight check is to be output at a client (determined in step S 606 shown in FIG. 7 ), may be made by a user, or may be made when a computer is determined as a client at the time of installation of the interpreter.
  • the procedure shown in FIG. 7 is executed for document data to be output.
  • the procedures shown in FIGS. 7 and 8 are executed on an input document. Accordingly, intermediate data is not doubly generated even in a client/server system.
  • intermediate data is generated as required based on the presence or absence of a warning.
  • generating intermediate data uselessly can be avoided and a result of a preflight check can be returned quickly.
  • a memory, an external storage device, or the like is used efficiently, and quick operation is allowed for editing or printing.
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US8379237B2 (en) 2005-12-01 2013-02-19 Canon Kabushiki Kaisha Printing system and method for controlling a printing system that determines whether to start printing only after completion of developing all print data
US10146486B2 (en) 2016-12-27 2018-12-04 Ricoh Company, Ltd. Preserving logical page order in a print job

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US9058140B2 (en) * 2009-03-10 2015-06-16 Canon Kabushiki Kaisha Print control apparatus and method utilizing a paper saving print setting
JP5182389B2 (ja) * 2011-03-04 2013-04-17 富士ゼロックス株式会社 画像形成装置及び画像形成装置制御プログラム
JP5746530B2 (ja) * 2011-03-17 2015-07-08 キヤノン株式会社 印刷設定情報を設定する装置及びその制御方法
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